Of the five freshwater species of dolphins in the world, the pink Amazon River dolphin also known as botos, are considered to be the most intelligent. These friendly, sensitive, mammals have a brain capacity 40% larger than that of humans.
Brazilian jiu-jitsu. Brazilian jiu-jitsu (/dÊuËËdÊÉªtsuË/; Portuguese: [ËÊiw ËÊitsu], [ËÊu ËÊitsu], [dÊiËu dÊiËtsu]) (BJJ; Portuguese: jiu-jitsu brasileiro) is a martial art, combat sport system that focuses on grappling and especially ground fighting.
The high pressure water is forced. through an orifice to create a high velocity waterjet, the cutting beam. Typical abrasive waterjet (AWJ) cutting heads consist of these components; nozzle body. (upstream UHP water tube), orifice, orifice mount, abrasive mixing chamber and mixing. tube.